How to set a voltmeter to my MM 1000 car

Post by **Sandun** » Sat Mar 23, 2013 8:04 am

hi i decided to set a voltmeter to my car for check battery volt and its charging - how to set it - my car working from dynamor - thanks

Post by **Trickydicky** » Sat Mar 23, 2013 8:10 am

Set it on volts dc, with a range of 10 - 20 volts.

Post by **MarkyB** » Sat Mar 23, 2013 8:42 am

Something like this?[frame]

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Post by **Sandun** » Mon Mar 25, 2013 5:21 am

Thanks - wiring like this - is it ok ? my car has dynamo[frame]

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Post by **bmcecosse** » Mon Mar 25, 2013 12:08 pm

Make sure it is ONLY live when the Ignition is on - otherwise it drains the battery........ So - connect to the GREEN wires at the fuse, and not the LILAC wires...

Post by **Sandun** » Mon Mar 25, 2013 2:36 pm

only on when sw/ignition ON - Negative of the meter , dose set to the body of car ?

Post by **bmcecosse** » Mon Mar 25, 2013 6:54 pm

Post by **Sandun** » Tue Mar 26, 2013 3:47 pm

Thank u soo much

Post by **bmcecosse** » Tue Mar 26, 2013 7:33 pm

So -what volts does it show????

Post by **Sandun** » Sun Apr 28, 2013 12:54 pm

Hi... it was midle of red and green 11v - 12v / ending point of green

Post by **bmcecosse** » Sun Apr 28, 2013 10:52 pm

So - it's FAR TOO LOW - which we have been telling you for ages !!!

Post by **IslipMinor** » Sun Apr 28, 2013 11:57 pm

it was midle of red and green 11v - 12v

Is that with the ignition switched on only or with the engine running at 2000/2500rpm? Next check is what is the voltage with the headlights switched on and engine running at 2000/2500rpm?

Post by **Sandun** » Mon Apr 29, 2013 5:23 am

I dont Know RPM -Battery Volt 12.1 - when i start the car and neutral position the meeter show like this - the arrow head show place of meeter read[frame]

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Post by **IslipMinor** » Mon Apr 29, 2013 8:26 am

If you increase the revs what happens to the voltmeter reading, does it increase? It should go to at least 13v if it is charging correctly.

Post by **Sandun** » Tue Apr 30, 2013 1:55 pm

yes i incriease revs then voltege increase - want some swich to off voltmeter ? when ignition on it work till off key - is it problem ? Dose Voltmeter damage ? I not use voltmeter before - the image ,it is my voltmeter

Post by **IslipMinor** » Tue Apr 30, 2013 2:29 pm

What is the maximum voltage when you increase the engine speed? If you turn on the headlights, what is the maximum voltage when you increase the engine speed?

The volt meter must be connected to an ignition controlled fuse (A4, green wire), otherwise it will be on all the time and very very slowly will discharge the battery.

Post by **bmcecosse** » Tue Apr 30, 2013 9:11 pm

Not so slowly -I made that mistake many moons ago (when just a teenage novice) and the battery was flattened overnight.

Morris Minor Owners Club

How to set a voltmeter to my MM 1000 car

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